Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752807AbaBSKoc (ORCPT ); Wed, 19 Feb 2014 05:44:32 -0500 Received: from smtpbgsg2.qq.com ([54.254.200.128]:57619 "HELO smtpbgsg2.qq.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751854AbaBSKo1 (ORCPT ); Wed, 19 Feb 2014 05:44:27 -0500 X-Greylist: delayed 302 seconds by postgrey-1.27 at vger.kernel.org; Wed, 19 Feb 2014 05:44:26 EST X-QQ-SSF: 00000000000000F000000000000000J X-HAS-ATTACH: no X-QQ-BUSINESS-ORIGIN: 2 X-Originating-IP: 162.105.200.145 In-Reply-To: <530470E4.2040104@linux.vnet.ibm.com> References: <530470E4.2040104@linux.vnet.ibm.com> X-QQ-STYLE: X-QQ-mid: webmail688t1392806326t671730 From: "=?utf-8?B?WXVhbiBQZW5nZmVp?=" To: "=?utf-8?B?UGV0ZXIgT2JlcnBhcmxlaXRlcg==?=" Cc: "=?utf-8?B?bGludXgta2VybmVs?=" Subject: Re: [PATCH] gcov: fix memory allocation problem in gcov_info_dup Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Date: Wed, 19 Feb 2014 18:38:46 +0800 X-Priority: 3 Message-ID: X-QQ-MIME: TCMime 1.0 by Tencent X-Mailer: QQMail 2.x X-QQ-Mailer: QQMail 2.x X-QQ-ReplyHash: 1227086896 X-QQ-SENDSIZE: 520 X-QQ-Bgrelay: 1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id s1JAikB7005071 Using -fprofile-values is one case that will cause the memory allocation problem. More changes are needed to fully support -fprofile-values. I submit this patch first because I think it is obvious and does no harm. > I'm unaware of any user of -fprofile-values in the kernel. Are you > trying to extend gcov-kernel to also support -fprofile-values? I would > expect that additional changes to the .gcda file creation logic are > required to fully support this GCC option.????{.n?+???????+%?????ݶ??w??{.n?+????{??G?????{ay?ʇڙ?,j??f???h?????????z_??(?階?ݢj"???m??????G????????????&???~???iO???z??v?^?m???? ????????I?